What makes a web tool Web 2.0?

Example Web 2.0 Tools

Pick from one of the tools below (or choose your own) for our activity today
Glogster Group 8
Voicethread - Group 3
Wallwisher or Linoit - Group 6
Wordle or Tagxedo - Group 2
Cover it Live - Group 11
Toondoo - Group 1
Edublogs - Group 10
Wikispaces -
Community Walk -
Google Maps -
Tiki-Toki Timeline or X-Timeline Group 7
bubbl.us mindmap - Group 9
SpicyNodes - Group 4
Storybird - Group 5